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Brrunno [24]
2 years ago
15

When ripples pass though a gap in a barrier what is observed

Physics
1 answer:
katen-ka-za [31]2 years ago
8 0
Diffraction and the extent of the spreading (diffraction) depends to how the width of the gap is compared to the wavelength of the waves.
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I need the ans for this question QUICK PLEASE!!!
Basile [38]

Explanation:

A) 1.05

B) 1.33

C) 1.16

D) 0.62

All units in cm

3 0
3 years ago
How much power is needed to lift a 20-kg object to a height of 4.0 m in 2.5 seconds?
4vir4ik [10]

Answer:

313.92w

Explanation:

Formula for power:

P=W/∆t = Fv

Givens:

m=20kg

∆y=4.0m

∆t=2.5s

a=9.81m/s²

In order to find power, we first need to solve for work.

W=Fd (force*displacement), f=mg

W=mg∆y

W=(20kg)(9.81m/s²)(4.0m)

W=784.8J

P=W/∆t

P=784.8J/2.5s

P=313.92 watts

5 0
3 years ago
In half wave rectifier circuit the diode and load resistance are connected in ...to ac power source​
Fudgin [204]
Working of a Half wave rectifier
The diode is connected in series with the secondary of the transformer and the load resistance RL. The primary of the transformer is being connected to the ac supply mains. The ac voltage across the secondary winding changes polarities after every half cycle of the input wave.
5 0
3 years ago
a concave mirror has a focal length of 18 cm. where will an image form if an object is placed 58 cm from the mirror
MAXImum [283]

Answer:

here

Explanation:

8 0
3 years ago
Which surface feature of the moon is characterized by mountainous areas?
solmaris [256]

Crates is the correct answer because they create dents that make the bumps of mountains.

6 0
3 years ago
Read 2 more answers
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